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Heart Signal 4

Heart Signal 4

NameHeart Signal 4
Year Debut2023
Year Active1
Year DisbandedN/A

Not Ranked



Heart Signal 4 (하트시그널 시즌4) is the fourth season of the South Korean dating show series. Season 4 aired on May 17, 2023.

Heart Signal is a reality show where four women and four men live together in the same house called the Signal House. As part of the house rules, every night, each of the cast members sends a text to the person they are interested in. They are not allowed to openly confess to that person.


  • Series: Heart Signal
  • Cast Members: Han Gyeo Re, Shin Min Gyu, Lee Ju Mi, Kim Ji Min, Kim Ji Young, Yoo Ji Won, Lee Hu Shin, Yoo Yi Soo
  • Panelists: Lee Sang Min, Kim Eana, Yoon Shi Yoon, Mimi (Oh My Girl)
  • Broadcasted: May 17, 2023 - Sep 1, 2023
  • Episodes: 16
  • Related: Heart Signal 3


There were 6 original tenants revealed and 2 that were added later in the show for a total of 8 tenants. Four women and four men. Their names are Han Gyeo Re, Shin Min Gyu, Lee Ju Mi, Kim Ji Min, Kim Ji Young, Yoo Ji Won, Yoo Yi Soo (catfish), and Lee Hu Shin (catfish).

Contestants' ages range between their early 20s to mid-30s.

Cast Members Ages

Cast MemberBirthdayAge (2023)
Han Gyeo Re198934
Shin Min Gyu 199330
Lee Hu Shin199330
Lee Ju Mi199429
Kim Ji Young199528
Yoo Ji Won199627
Yoo Yi Soo199825
Kim Ji Min200023

Final Signals

Final signals from episode 15:

Cast MemberSent toReceived from
Han Gyeo ReKim Ji YoungLee Ju Mi, Kim Ji Young
Shin Min GyuYoo Yi SooYoo Yi Soo
Lee Hu ShinKim Ji YoungKim Ji Min
Lee Ju MiHan Gyeo Re
Kim Ji Young Han Gyeo ReHan Gyeo Re, Yoo Ji Won, Lee Hu Shin
Yoo Ji WonKim Ji Young
Kim Ji Min Lee Hu Shin
Yoo Yi SooShin Min GyuShin Min Gyu

There were 2 couples formed during the final episode:

  • Han Gyeo Re and Kim Ji Young
  • Shin Min Gyu and Yoo Yi Soo

Facts and Trivia

  • The selection of season 4 contestants had more strict requirements and included more thorough background check following the scandals and accusations of some of the cast members from prior seasons.

Han Gyeo Re

  • Full Name: Han Gyeo Re
  • Korean Name: 한겨레
  • Birthday: 1989
  • Age (2023): 34 years old
  • Occupation / Job: barista, CEO of a food and beverage company
  • Education: Theater and Film

Shin Min Gyu

  • Full Name: Shin Min Gyu
  • Korean Name: 신민규
  • Birthday: 1993
  • Age (2023): 30 years old
  • Occupation / Job: Nemo Partners SCG (Strategy) Consultant
  • Education: Hanyeong Foreign Language School
  • Instagram
  • Fun Facts: he studied French

Lee Hu Shin (Catfish)

  • Full Name: Lee Hu Shin
  • Korean Name: 이후신
  • Birthday: 1993
  • Age (2023): 30 years old
  • Occupation / Job: Model, Painter
  • Education: Kaywon University of Arts
  • Instagram
  • Fun Facts: He is a model under ESteem

Yoo Ji Won

  • Full Name: Yoo Ji Won
  • Korean Name: 유지원
  • Birthday: 1996
  • Age (2023): 27 years old
  • Occupation / Job: Medical Center Intern (Doctor)
  • Education: Kyung Hee University College of Medicine

Lee Ju Mi

  • Full Name: Lee Ju Mi
  • Korean Name: 이주미
  • Birthday: 1994
  • Age (2023): 29 years old
  • Occupation / Job: Lawyer
  • Education: Ajou University Law School
  • Instagram

Kim Ji Young

  • Full Name: Kim Ji Young
  • Korean Name: 김지영
  • Birthday: 1995
  • Age (2023): 28 years old
  • Occupation / Job: Company branding, Korean Air flight attendant
  • Education: Inha Technical College
  • Instagram
  • Fun facts: she is allergic to flour. Her favorite food is hamburgers.

Yoo Yi Soo (Catfish)

  • Full Name: Yoo Yi Soo
  • Korean Name: 유이수
  • Birthday: 1998
  • Age (2023): 25 years old
  • Occupation / Job: casting agent, model
  • Education: Illinois State University
  • Instagram
  • Fun facts: she can speak English

Kim Ji Min

  • Full Name: Kim Ji Min
  • Korean Name: 김지민
  • Birthday: 2000
  • Age (2023): 23 years old
  • Occupation / Job: College student
  • Education: Sungshin Women's University
  • Instagram


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